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The rates of sight-threatening diabetic retinopathy in patients who underwent a second or later screening declined from 9.2% in 2008 to 3.2% in 2011, according to a study in Diabetes Care. However, researchers did not observe such improvement in patients who underwent screening for the first time.

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A study published in the Journal of the American College of Cardiology found that patients with type 1 diabetes have a more than twofold increased risk of dying at six years after undergoing coronary artery bypass grafting than those without the disease who underwent the same procedure. Patients with type 2 diabetes who underwent CABG have only a slightly increased mortality risk compared with those without diabetes who had the surgery.

A British study in Diabetes Care revealed it took a median of 2.9 years for type 2 diabetes patients with suboptimal glucose control to receive treatment intensification with one additional oral anti-diabetes medication. Researchers also found the probability of treatment intensification with one additional oral drug or insulin was 23.9% at one year in those taking a single oral anti-diabetes medication and 11.4% in those taking two oral drugs.

Type 2 diabetes patients with no previous cardiovascular disease who were on low-dose aspirin treatment did not show a lower risk of cardiovascular disease or death at 3.9 years compared with nonusers, according to a study in BMJ Open. Researchers noted a slightly increased risk of both fatal and non-fatal heart disease in female aspirin users compared with women who did not take the drug.

Data on 196 diabetes patients who underwent percutaneous coronary intervention with a bare-metal stent showed those who received colchicine had an in-stent restenosis rate of 16%, compared with 33% in the placebo group. Colchicine-treated patients also had lower rates of late lumen loss than those in the control group, researchers wrote in the Journal of the American College of Cardiology.

Type 2 diabetes patients with mild nonproliferative diabetic retinopathy who developed clinically significant macular edema showed higher average microaneurysm turnover than those who did not develop CSME, according to a study in Diabetes Care. Researchers also found an MA turnover value of nine or higher had a 57.7% sensitivity and an 81.2% specificity in forecasting CSME onset within two years.